The most important statement a scientist can make is “Huh, that doesn’t make sense. That shouldn’t have happened.” It is a sign post that new understanding and maybe even pushing the frontiers of science lies ahead. Read more »

The trick itself is ridiculously simple. (Srivastava would later teach it to his 8-year-old daughter.) Each ticket contained eight tic-tac-toe boards, and each space on those boards—72 in all—contained an exposed number Read more »